Details

Rhythm is the essence of smooth power transfer and proper gear step is the key to maintaining rhythm over varied terrain. The XTR CS-M9000 11-speed 11-40T cassette is not only the widest range cassette Shimano has ever produced, but also it's most balanced.Thanks to its “rhythm step” progression, it maintains calculated, shock-free gear steps from one gear to the next, saving riders energy and helping maintain rhythm on the trail. Key features include:

A new HG-X11 specific tooth profile

Carbon spider with aluminum, titanium and steel cogs

Rhythm step gear progression: 11-13-15-17-19-21-24-27-31-35-40T

Weight: 320g

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